The cover and the lamp body are made of aluminium alloy and are molded through die-casting, and then shaped by CNC machines; the surface is treated by two processes of electrostatic dusting. Under the cover clear optical toughened glass is installed; silica gel water proof gasket which is resistant to temperature is installed; the protection class is IP 54. This product uses LED light source which is of energy saving and low consumption, and electric appliances are installed internally. It is suitable for Outdoor corridor, passageway and so on. This product is CE certified and all materials are in conformity with RoHS standard.